Papers – Page 17 – TechConnect Briefs

The utilization smart hydrogels and composites with controllable porosity in the preparation of metal nanocatalyst

Sahiner N., Ozay O., Sagbas S., Yasar A., Aktas N., Canakkale Onsekiz Mart University, TR

There is great need for versatile and smart support materials. As many industrial and biologic reactions take place in water (green chemistry), systems that operates in water and mechanically durable, flexible with controllable porosity, and [...]

Experimental investigations on thermo physical properties of AL2O3/DMAC nanofluid

Mariappan V., Udayakumar M., Suresh S., Anand R.B., Shafeeq K.P., National Institute of Technology, Tiruchirappalli, IN

This paper investigate the thermo physical properties such as thermal conductivity and viscosity of Al2O3/DMAC nanofluid both by experimental and theoretical. The Al2O3 nanoparticle is prepared using microwave assisted chemical precipitation method. Then Al2O3/DMAC nanofluid [...]

Experimental investigation of thermo physical properties of synthetic oil based nanofluids

Suresh S., Selvakumar P., Bharath R., National Institute of Technology, Tiruchirappalli, IN

Thermophysical properties like thermal conductivity and viscosity of thermic fluid based nanofluids are experimentally investigated. * Preparation of thermic fluid based nanofluid * Thermal conductivity measurement * Viscosity measurement

Laminar convective heat transfer of Al2O3/thermic oil nanofluid in a plain tube

Venkatachalapathy S. Suresh S., Selvakumar P., Vijay G., National Institute of Technology, Tiruchirappalli, IN

Thermic oil based nanofluids are prepared by adding alumina nanoparticles for convective heat transfer study. Experimental study is carried out for the hydrodynamically developer laminar flow under constant heat flux condition. * Convective heat transfer [...]

Specialty Multi-Walled Carbon Nanotubes for Advanced Li-ion Battery Cathodes

Prada Silvy R., Conner S., Tan Y., Ferguson J., Manning A.J., SouthWest NanoTechnologies, US

To realize the potential benefits of incorporating CNT materials in next generation cathodes for Li-ion batteries, we present in this paper the results of incorporating into Li-ion batteries a new generation of SWeNT’s Specialty Multiwalled [...]

The Discovery and Optimisation of Solid State Nano-materials for Energy and Electronics Sectors using MBE based Methodologies

Hayden B., Ilika Technologies LLC, UK

A high-throughput thin film methodology based on combining molecular beam epitaxy (MBE) atomic sources which can be combined with a high intensity plasma atom source is described. Compositional gradients of both amorphous and crystalline materials [...]

Enabling renewable-energy driven reverse osmosis desalination using integrated compressed gas energy storage—bench-scale experiments and modeling

Mahajan P., Sun Y., Ladner D.A., Clemson University, US

Growing fresh water needs have led to increasing interest in desalination using reverse osmosis (RO) membranes, but energy requirements are extreme so renewable sources are sought. Unfortunately, many renewable sources are intermittent and low-intensity while [...]

Hydrogen permeation in pipeline steels

Fallahmohammadi E., Bolzoni F., Fumagalli G., Re G., Lazzari L., Politecnico di Milano, IT

In a previous phase of this research, two sour service pipeline steels, a carbon steel API 5L X65 and a low alloy one ASTM A182 F22, showed a remarkable reduction of the fracture toughness after [...]

NaBH4 in solidified aluminosilicate gel: a new hydrogen storage with interesting properties

Buhl J.-Ch., Schomborg L., Rüscher C.H., Leibniz University Hannover, DE

A new type of safe storage of NaBH4 of high fuel density providing an easy release of hydrogen is presented. NaBH4 exhibits a high gravimetric storage capacity (2.4 l H2/g). However, rapid hydrolysis reaction already [...]

Solar Thermochemical Water-Splitting for H2 Generation Using Sol-Gel Derived Ferrite Nanomaterials

Bhosale R.R., Pasala X., Yelakanti S., Puszynski J.A., Shende R.V., South Dakota School of Mines & Technology, US

Solar-driven thermochemical water-splitting using redox materials constitute a promising high-efficiency, self-sustainable pathway for H2 production from water. In this investigation, several un-doped and doped ferrite nanomaterials were synthesized using sol-gel technique and investigated for H2 [...]